16) Newly emerging or re-emerging diseases A) may be due to changing lifestyles

Question

16) Newly emerging or re-emerging diseases

A) may be due to changing lifestyles

B) are exemplified by Lyme Disease and toxic shocl syndrome.

C) may reflect a breakdown in sanitation/social order

D) may be related to global cooling

E) may be due to changing lifestyles, are exemplified by Lyme Disease and toxic shock symdrome AND may reflect a breakdown in sanitation/social order.

78) Which of the following is the longest measure of length?

A) 300 um

B) 300 nm

C) 30,000 nm

D) 0.2 mm ( I think D is the answer)

E) 100,000 nm

83) The average bacteria are which approximate size in diameter?

A) 1 um (I think A is the answer)

B) 10 um

C) 100 nm

D) 100 um

E) 0.1 mm

84) Prions are

A) living organisms

B) noninfectious

C) DNA containing

D) small viruses

E) none of the above (I think E is the answer)

81) Which of the following is the longest measure of length?

A) 50 um

B) 5,000 nm

C) 50,000 nm

D) 0.6 mm (I think D is the answer)

E) 600,001 nm

87) The scientist who developed to the surgical scrub technique was:

A) Alexander Fleming (i think A is the answer)

B) Ignaz Semmelweis

C) Louis Pasteur

D) Anton van Leeuwenhoek

E) Barry Marshalls

Explanation / Answer

16. E may be due to changing lifestyles, are exemplified by Lyme Disease and toxic shock symdrome AND may reflect a breakdown in sanitation/social order.

All the points mentioned above are reasons or example for emerging or reemerging disease where the occurene of a disease has recently increased a lot due to certain factors.

78

0.2 mm =20000nm

300um= 300000nm

So 300 in is the answer

83.

100nm = 0.1 um

0.1mm= 100um

So answer is 1 in. Which is nearest to average diameter of bacterial cell.

84. NONE OF ABOVE is the correct answer

81. Answer is 600001 nm

Reason 50um= 50000nm

0.6mm= 600000nm

87.

Ignaz Semmelweis

He started use of chlorine to wash hands by the physicians to get rid of infectious particle. Technique further advances with time.

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